Warrenville, IL is a city located in Dupage County, Illinois and has a land area of 8.04 square miles (20.82 km2). The water area for the city is 0.36 square miles or 0.93 km2. There is one unique zip code in Warrenville, Illinois and it is 60555. The area code(s) for Warrenville is 630/331.
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